.less-test {
    color: @color
}
.collapse-extend-div {
    width: 93vw;
    padding: 8px;
    overflow: hidden;
    color: #333;
    line-height: 25px;
    background: #999;
    border-radius: 8px;
  }
  
  .extend-collapse-btn {
    position: absolute;
    right: 0;
    bottom: 0;
    cursor: pointer;
  }